DS

David F. Sweeney

TL The Singer Company Limited: 1 patents #229 of 510Top 45%
📍 Alamo, CA: #136 of 279 inventorsTop 50%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,357,916 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4446790 Printer with removable print carriage Joseph Konkel 1984-05-08
4368994 Single servo driven printer — 1983-01-18